
public class practice_1 {
	  public static void main(String[] args) {
	        // byte、short、int、long 范围
	        System.out.printf("%d ~ %d%n", 
	                Byte.MIN_VALUE, Byte.MAX_VALUE);
	        System.out.printf("%d ~ %d%n", 
	                Short.MIN_VALUE, Short.MAX_VALUE);
	        System.out.printf("%d ~ %d%n", 
	                Integer.MIN_VALUE, Integer.MAX_VALUE);
	        System.out.printf("%d ~ %d%n", 
	                Long.MIN_VALUE, Long.MAX_VALUE);
	        // float、double 精度范围
	        System.out.printf("%d ~ %d%n", 
	                Float.MIN_EXPONENT, Float.MAX_EXPONENT);
	        System.out.printf("%d ~ %d%n", 
	                Double.MIN_EXPONENT, Double.MAX_EXPONENT);
	        // char 可表示的 Unicode 范围
	        System.out.printf("%h ~ %h%n", 
	                Character.MIN_VALUE, Character.MAX_VALUE);
	        // boolean 的两个值
	        System.out.printf("%b ~ %b%n", 
	                Boolean.TRUE, Boolean.FALSE);
	        
	    }    
	}


